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Green circuit board kit with two boards and 40-pin header

WaveShare

WaveShare BIGTREETECH CB1 V2.2 + Pi4B Adapter Panel Board Kit 3D printers accessory

SKU CH-QBKC-13ZDF

Adapter kit combines CB1 and Pi4B boards to run Klipper on SKR Mini E3 V3.0, Octopus V1.1 and Octopus Pro SKR 3 control boards

  • Run Klipper on common boards with CB1 and Pi4B kit
  • Gigabit Ethernet on Pi4B for fast network printing
  • HDMI 2.0A on CB1 supports 4K display output
  • 40-pin header matches Raspberry Pi 4B layout exactly
  • Modular design lets you swap Pi4B and CM4 modules

Kit contents and purpose

This kit combines a BIGTREETECH CB1 V2.2 module with a Pi4B adapter panel board. It is designed for 3D printer builders who want to run Klipper firmware on compatible control boards without using a full Raspberry Pi unit.

Compatible control boards

The adapter fits SKR Mini E3 V3.0, Octopus V1.1, Octopus Pro and SKR 3 boards. The modular form lets you slot the CB1 directly onto the printer electronics, freeing up USB ports and removing the need for a separate single-board computer and its power supply.

Interfaces and connectivity

The Pi4B section provides Gigabit Ethernet, two HDMI ports, CSI and camera interfaces plus a 40-pin header. The CB1 module adds an HDMI 2.0a output, a USB 2.0 port and 100M Ethernet with Wi-Fi support for network access.

How it compares

Measured against everything we stock in 3D Printing Accessories & Materials, at today’s prices. Recalculated every night.

Price $60.99
Pricier than about 71% of the 590 comparable items (median $31.99).

New to this? Buying a printer and toner with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Processor
ProcessorOther

Questions about this item

What is the first limit you hit when the CB1 V2.2 runs Klipper continuously?

The onboard 100M Ethernet interface caps sustained network throughput before CPU or memory limits appear.

How much heat or noise does the Pi4B adapter panel add during all-day printing?

The Pi4B includes a Gigabit Ethernet port, dual HDMI outputs, CAM and CSI connectors, and a 40-pin header, all passively cooled with no fan included.

Which control board must you already own for this kit to work?

Compatible boards are SKR Mini E3 V3.0, Octopus V1.1, Octopus Pro and SKR 3.

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